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Insulation R Values: fumed silica
2155 to 2156
Insulation R-values and thermal conductivity data from NIST SRD 81 — covers fiberglass, foam, cellulose, mineral wool, and other building insulation materials
| material id | record id | date | delta t (F) | delta x (in) | density (lb/ft3) | form | k w mk (W/mK) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fumed silica | 2155 | 8/14/1981 | 22.92 | 0.9996 | 19.82 | Block | 0.1812 | Johns Manville | Fumed Silica | 116.67 | 0.79596 | 0.140177 | NIST SRD 81 API | ASTM C 177 | Min-K®-2000 |
| fumed silica | 2156 | 8/16/1981 | 23.79 | 0.9993 | 19.83 | Block | 0.1769 | Johns Manville | Fumed Silica | 73.08 | 0.815308 | 0.143584 | NIST SRD 81 API | ASTM C 177 | Min-K®-2000 |
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